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SMO 2025 Senior Round 1 Question 20

SMO · SMO 2025 Senior Round 1

Question 20

Given that $A=\sum_{i=0}^{2025}\binom{2025}{i}^2$, $B=\sum_{i=0}^{2024}\binom{2024}{i}^2$, find $\lfloor A/B\rfloor$.